Toshiba RAV-SM2244DTP-E Installation Manual page 26

Check codes and parts to be checked
Wired
Wireless remote
remote
controller Sensor block
controller
display of receiving unit
display
Main problem parts
Operation Timer
Indication Ready Flashing
GR GR OR
No header remote
controller
E01
Remote controller
communication
problem
Remote controller
E02
transmission problem
Indoor unit-remote
controller regular
E03
communication
problem
Indoor unit-outdoor unit
E04 serial communication
problem
Duplicated indoor
E08
addresses
Duplicated header
E09
remote controllers
Indoor inter-MCU
Е10 communication
problem
Header unit
follower unit regular
E18
communication
problem
IPDU communication
E31
problem
Indoor unit heat
F01 ALT exchanger sensor
(TCJ) problem
Indoor unit heat
F02 ALT exchanger sensor
(TC) problem
Outdoor unit discharge
F04 ALT temp, sensor (TD)
problem
Outdoor unit temp,
F06 ALT sensor (ТЕ /TS)
problem
F07 ALT TL sensor problem
Outdoor unit outside air
F08 ALT
temp, sensor problem
49-EN
Judging
Parts to be checked / Check code description
device
Incorrect remote controller setting --- The header
remote controller has not been set (including two
remote controllers).
Remote
controller
No signal can be received from the indoor unit.
System interconnection wires, indoor p.c. board,
Remote
remote controller
controller
--- No signal can be sent to the indoor unit.
Remote controller, network adapter, indoor p.c.
Indoor board --- No data is received from the remote
controller or network adapter.
System interconnection wires, indoor p.c. board,
Indoor outdoor P.C. board --- Serial communication
problem between indoor unit and outdoor unit
Indoor address setting problem --- The same
Indoor
address as the self-address was detected.
Remote controller address setting problem --- Two
remote controllers are set as header in the double-
Remote
remote controller control.
controller
(* The header indoor unit stops raising alarm and
follower indoor units continue to operate.)
MCU communication between main controller and
motor micro controller have a problem.
Indoor
Communication problem between CDB(MCC-1643)
and FAN-IPDU(MCC-1610).
Indoor P.C. board --- Regular communication is
not possible between header and follower indoor
Indoor
units or between twin header (main) and follower
(sub) units.
Outdoor Communication problem between IPDU and CDB
Heat exchanger sensor (TCJ), indoor p.c. board ---
Indoor Open-circuit or short-circuit of the heat exchanger
sensor (TCJ) was detected.
Heat exchanger sensor (TC), indoor p.c. board ---
Indoor Open-circuit or short-circuit of the heat exchanger
sensor (TC) was detected.
Outdoor temp, sensor (TD), outdoor p.c. board ---
Outdoor Open-circuit or short-circuit of the discharge temp,
sensor was detected.
Outdoor temp, sensors (ТЕ /TS), outdoor p.c.
Outdoor board --- Open-circuit or short-circuit of the heat
exchanger temp, sensor was detected.
TL sensor may be displaced, disconnected or
Outdoor
short-circuited.
Outdoor temp, sensor (TO), outdoor p.c. board ---
Outdoor Open-circuit or short-circuit of the outdoor air temp,
sensor was detected.
– 25 –
Wired
Wireless remote
remote
controller Sensor block
controller
display of receiving unit
display
Operation Timer
Air Indication Ready
conditioner GR GR OR
status
F10
F12
*
F13
F15
*
F29
F31
Auto-reset
H01
Auto-reset
H02
Auto-reset
H03
*
H04
H06
Auto-reset
L03
L07
Auto-reset
L08
Entire stop
L09
Auto-reset
L10
Auto-reset
L20
Entire stop
L29
Entire stop
Entire stop
L30
Operation
continued
Judging
Main problem parts Parts to be checked / Check code description
device
Flashing
Room temp, sensor (ТА), indoor p.c. board ---
Indoor unit room temp,
ALT Indoor Open-circuit or short-circuit of the room temp,
sensor (ТА) problem
sensor (ТА) was detected.
TS sensor may be displaced, disconnected or
ALT TS sensor problem Outdoor
short-circuited.
Heat sink sensor Abnormal temperature was detected by the temp,
ALT Outdoor
problem sensor of the IGBT heat sink.
Temp, sensor Temp, sensor (ТЕ/TS) may be connected
ALT Outdoor
connection problem incorrectly.
Indoor unit, other p.c.
SIM Indoor Indoor P.C. board --- EEPROM problem
board problem
Outdoor P.C. board --- In the case of EEPROM
SIM Outdoor unit p.c. board Outdoor
problem.
Current detect circuit, power voltage --- Minimum
Outdoor unit
frequency was reached in the current releasing
compressor Outdoor
control or short-circuit current (Idc) after direct
breakdown
excitation was detected
Outdoor unit Compressor circuit --- Compressor lock was
Outdoor
compressor lock detected.
Current detect circuit, outdoor unit p.c. board ---
Outdoor unit current
Outdoor Abnormal current was detected in AC-CT or a
detect circuit problem
phase loss was detected.
Case thermostat
Outdoor Malfunction of the case thermostat
operation
Outdoor unit low- Current, high-pressure switch circuit, outdoor p.c.
pressure system Outdoor board --- Pressure sensor problem was detected or
problem low- pressure protective operation was activated.
Duplicated header Indoor address setting problem --- There are two or
SIM Indoor
indoor units more header units in the group.
Indoor address setting problem --- There is at least
Group line in individual
SIM Indoor one group-connected indoor unit among individual
indoor unit
indoor units.
Indoor group address Indoor address setting problem --- Indoor address
SIM Indoor
not set group has not been set.
Indoor unit capacity
SIM Indoor Indoor unit capacity has not been set.
not set
Outdoor unit P.C. In the case of outdoor p.c. board jumper wire (for
SIM Outdoor
board service) setting problem
Network
Address setting, central control remote controller,
LAN communication adapter
SIM network adapter --- Duplication of address in
problem central
central control communication
control
Other outdoor unit problem
1) Communication problem between IPDU MCU
Other outdoor unit
SIM Outdoor and CDB MCU
problem
2) Abnormal temperature was detected by the heat
sink temp, sensor in IGBT.
Abnormal external External devices, outdoor unit p.c. board ---
SIM input into indoor unit Indoor Abnormal stop due to incorrect external input into
(interlock) CN80
Air
conditioner
status
Auto-reset
Entire-stop
Entire stop
Entire stop
Auto-reset
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Auto-reset
Entire stop
Entire stop
Entire stop
50-EN